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Sound sources

WHOI senior engineering assistant Brian Guest (top of photo) leads a team to deploy the first of two sound source moorings in the Southeast Pacific as part of a Diapycnal and Isopycnal Mixing Experiment in the Southern Ocean (DIMES) cruise on the R/V Thomas G Thompson in January 2010. The sound sources will track a number of shearmeter floats drifting in the isopycnal layer of a tracer that was released into the ocean last year. Progress reports are being posted on the DIMES website.
(Photo by Rick Krishfield, Woods Hole Oceanographic Institution)